Front advancing insert structure

By setting small magnets on the sliding insert of the forward seat to attract the hardware inserts, the problem of the hardware inserts shaking and falling off during reset is solved, thus improving the stability and efficiency of plastic mold production.

CN224183563UActive Publication Date: 2026-05-01ORTHEY TECH (SHENZHEN) LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ORTHEY TECH (SHENZHEN) LTD
Filing Date
2025-04-30
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

In plastic mold production, metal inserts are prone to shaking or falling off when resetting in the forward position, resulting in product defects and mold damage, affecting production stability and efficiency.

Method used

Several small magnets are placed on the travel insert of the forward seat to attract the hardware inserts and prevent them from shaking and falling off.

Benefits of technology

This effectively prevents the metal inserts from shaking and falling off during resetting, improving production stability and efficiency, and ensuring the smooth progress of the production process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224183563U_ABST
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Abstract

The utility model discloses a front advancing insert structure which comprises a plate B, a plate A, a rear mold core mounted at the top of the plate B, a front mold core mounted at the bottom of the plate A and matched with the rear mold core for use, and a front advancing seat, a first mounting groove is formed in the position, close to the front mold core, of the bottom of the plate A, and the front advancing seat is movably arranged in the first mounting groove; a slide insert is mounted on the upper surface of the front slide seat, and a slide insert is further mounted on the slide insert; the slide insert is of a cylinder structure, and the upper portion of the slide insert penetrates out of one side of the slide insert and extends outwards. According to the utility model, the plurality of small magnets are arranged on the slide insert of the front slide seat to attract the hardware insert, so that the hardware insert can be prevented from shaking when the front slide seat is reset, the problems of product loss, die crushing and the like caused by falling of the hardware insert are solved, the production stability is greatly improved, and the production cost is reduced. And the smooth proceeding of the production process is ensured.
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Description

A forward-position insert structure Technical Field

[0001] This utility model relates to the field of plastic mold technology, and in particular to a forward-moving insert structure. Background Technology

[0002] In the production process of plastic molds, it is often necessary to insert metal parts into the side holes of the front mold of the product. The traditional approach is to place the metal insert directly on the fixed surface of the front traveler. However, this conventional method has many problems. For example, when the metal insert is thin, such as only 0.80mm thick, it is very prone to shaking or even falling off during the resetting and movement of the front traveler. This not only leads to defects such as missing metal parts in the product, but may also cause mold damage, increasing production costs, seriously affecting product performance and normal production, reducing production efficiency, and causing unnecessary economic losses to the company. Summary of the Invention

[0003] The purpose of this utility model is to provide a forward-moving insert structure. By setting several small magnets on the moving block of the forward-moving seat to hold the metal insert, the metal insert can be prevented from shaking when the forward-moving seat is reset. This solves the problems of product loss and mold damage caused by the metal insert falling off, greatly improves the stability of production, and ensures the smooth progress of the production process.

[0004] To achieve the above objectives, the following technical solution is adopted:

[0005] A forward-moving insert structure includes a B plate, an A plate, a rear mold core mounted on the top of the B plate, and a front mold core mounted on the bottom of the A plate and used in conjunction with the rear mold core. It also includes a forward-moving seat. A first mounting groove is formed at the bottom of the A plate near the front mold core, and the forward-moving seat is movably arranged within the first mounting groove. A moving insert is mounted on the upper surface of the forward-moving seat, and a moving block is also mounted on the moving insert. The moving block has a cylindrical structure, and its upper part extends outward from one side of the moving insert. A cylindrical limiting boss extends outward from the center of the top of the moving block, and several magnets are arranged around the limiting boss at the top edge of the moving block. A pull block connected to the rear mold core is also mounted at the end of the forward-moving seat near the rear mold core.

[0006] Furthermore, the bottom of the A plate is provided with a limiting notch that communicates with the first mounting groove, and a limiting block is installed in the limiting notch; a limiting groove is provided on the side of the forward seat near the limiting block along the height direction of the forward seat, and a limiting step is provided at the bottom of the limiting groove; one end of the limiting block is movably inserted into the limiting groove.

[0007] Furthermore, a guide block with a T-shaped cross-section is installed on one inner wall of the first mounting groove; a guide groove is also provided on the lower surface of the forward seat corresponding to the guide block; the guide groove is opened along the height direction of the forward seat, and the T-shaped horizontal end of the guide block is slidably arranged in the guide groove.

[0008] Furthermore, a yellow spring is also connected between the other end of the forward seat and the front mold core.

[0009] Furthermore, the front mold core is provided with a first mounting hole, and a guide rod is installed in the first mounting hole; the lower part of the yellow spring is arranged in the first mounting hole and sleeved on the guide rod; a limit slot is provided at the other end of the front seat corresponding to the yellow spring, and a guide hole is provided at the bottom middle of the limit slot corresponding to the guide rod; the upper part of the yellow spring is arranged in the limit slot, and the guide rod is inserted in the guide hole.

[0010] By adopting the above solution, the beneficial effects of this utility model are:

[0011] This invention uses several small magnets on the sliding block of the forward seat to hold the metal insert in place, which prevents the metal insert from shaking when the forward seat is reset. This solves the problems of product loss and mold damage caused by the metal insert falling off, greatly improves production stability, and ensures the smooth progress of the production process. Attached Figure Description

[0012] Figure 1 is a schematic diagram of the structure of this utility model;

[0013] Figure 2 is an exploded view of Figure 1 after omitting plate B;

[0014] Figure 3 is a partially enlarged schematic diagram of the front seat and the front mold core of this utility model;

[0015] Figure 4 is a schematic diagram of the front seat and yellow spring of this utility model;

[0016] Figure 5 is a structural schematic diagram from another perspective of Figure 4;

[0017] Figure 6 is a structural schematic diagram of the forward seat of this utility model;

[0018] Figure 7 is a partially enlarged schematic diagram of the first mounting groove of this utility model;

[0019] Figure 8 is a schematic diagram of the product structure;

[0020] The following are explanations of the labels in the attached diagram:

[0021] 1. Plate B; 2. Plate A; 3. Rear mold core; 4. Front mold core; 5. Front sliding seat; 21. Limiting block; 22. Guide block; 23. First mounting slot; 41. Guide rod; 51. Sliding insert; 52. Sliding insert; 53. Limiting boss; 54. Magnet; 55. Rear pull block; 56. Limiting slide groove; 57. Limiting step; 58. Guide slide groove; 59. Yellow spring; 501. Limiting slot hole; 502. Guide hole. Detailed Implementation

[0022] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Referring to Figures 1 to 8, this utility model provides a front-mounting insert structure, including a B plate 1, an A plate 2, a rear mold core 3 installed on the top of the B plate 1, and a front mold core 4 installed on the bottom of the A plate 2 and used in conjunction with the rear mold core 3. In one embodiment, it further includes a front-mounting seat 5; a first mounting groove 23 is provided at the bottom of the A plate 2 near the front mold core 4, and the front-mounting seat 5 is movably arranged in the first mounting groove 23; a mounting insert 51 is installed on the upper surface of the front-mounting seat 5, and the mounting insert... The component 51 is also equipped with a sliding insert 52; the sliding insert 52 has a cylindrical structure, and the upper part of the sliding insert 52 extends outward from one side of the sliding insert 51; the top center of the sliding insert 52 also has a limiting boss 53 with a cylindrical structure extending outward, and the top edge of the sliding insert 52 is also provided with a number of magnets 54 arranged around the limiting boss 53; the front sliding seat 5 is also equipped with a rear pull block 55 connected to the rear mold core 3 at one end.

[0024] As shown in Figure 8, this utility model addresses a car headlight bracket, made of PP+GF30 rubber, which is a functional component. During injection molding, the product requires the installation of a metal insert. This metal insert, 0.80mm thick, is positioned in the center of the product during installation and primarily serves to increase the strength of the product's sidewalls. After molding, rivet nuts are driven in using a rivet nut gun for screw fixing during vehicle assembly. To prevent the metal insert from shifting during installation, this utility model designs a forward-mounted insert structure. Specifically, a row of insert blocks 52 is provided on the corresponding position of the insert 51. This row of insert blocks 52 has a cylindrical structure, and the top center of the insert block 52 is integrally formed outwards. The device extends with a cylindrical limiting boss 53. A metal insert (ring-shaped structure) can be fitted onto the limiting boss 53. At the same time, several magnets 54 arranged around the limiting boss 53 are provided on the top edge of the sliding insert 52. In this embodiment, there are 8 magnets 54 (the number can be adjusted according to the actual use scenario). After the metal insert is fitted onto the limiting boss 53, the magnets 54 can attract and fix it, thereby preventing the metal insert from shaking when the front sliding seat 5 is reset. This solves the problems of product loss and mold damage caused by the metal insert falling off, greatly improves the stability of production, and ensures the smooth progress of the production process.

[0025] In one embodiment, the bottom of the A plate 2 is provided with a limiting notch communicating with the first mounting groove 23, and a limiting block 21 is installed in the limiting notch; a limiting groove 56 is provided on the side of the forward seat 5 near the limiting block 21 along the height direction of the forward seat 5, and a limiting step 57 is provided at the bottom of the limiting groove 56; one end of the limiting block 21 is movably inserted into the limiting groove 56. The limiting block 21 is used to limit the core pulling distance of the forward seat 5. At the same time, a guide block 22 with a T-shaped cross-section is installed on the inner wall of one side of the first mounting groove 23; a guide groove 58 is provided on the lower surface of the forward seat 5 corresponding to the guide block 22; the guide groove 58 is opened along the height direction of the forward seat 5, and the T-shaped horizontal end of the guide block 22 is slidably arranged in the guide groove 58. The guide block 22 is used to guide the forward seat 5 when it moves.

[0026] In addition, a yellow spring 59 is connected between the other end of the front seat 5 and the front mold core 4; a first mounting hole is also provided on the front mold core 4, and a guide rod 41 is installed in the first mounting hole; the lower part of the yellow spring 59 is arranged in the first mounting hole and sleeved on the guide rod 41; a limiting slot 501 is provided at the other end of the front seat 5 corresponding to the yellow spring 59, and a guide hole 502 is also provided at the bottom middle of the limiting slot 501 corresponding to the guide rod 41; the upper part of the yellow spring 59 is arranged in the limiting slot 501, the guide rod 41 is inserted in the guide hole 502, the yellow spring 59 is in a compressed state, the yellow spring 59 plays an auxiliary role and prevents the front seat 5 from rebounding.

[0027] The working process of this utility model is as follows:

[0028] When A / B plate 1 is opened, the front slide seat 5 is pulled by the pull block 55 fixed on the rear mold to pull the core. The core pulling distance of the front slide seat 5 is controlled by the limit block 21, the guide block 22 provides guidance, and the yellow spring 59 plays an auxiliary role and prevents the front slide from rebounding. When A / B plate 1 is fully opened, the rear mold slide pulls the core and ejects the product. Then, the hardware insert is sleeved on the limit boss 53 and the hardware insert is attracted by the small magnet 54 to prevent the hardware insert from shaking when the front slide is reset. Then the mold is closed and the next working cycle is entered, thereby meeting the performance requirements of this type of product and normal production.

[0029] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A front-mounted insert structure, comprising a B plate, an A plate, a rear mold core mounted on the top of the B plate, and a front mold core mounted on the bottom of the A plate and used in conjunction with the rear mold core, characterized in that, It also includes a front travel seat; a first mounting groove is provided at the bottom of the A plate near the front mold core, and the front travel seat is movably arranged in the first mounting groove; a travel insert is installed on the upper surface of the front travel seat, and a travel block is also installed on the travel insert; the travel block has a cylindrical structure, and the upper part of the travel block extends outward from one side of the travel insert; a limiting boss with a cylindrical structure extends outward from the middle of the top of the travel block, and several magnets arranged around the limiting boss are provided on the top edge of the travel block; a rear pull block connected to the rear mold core is also installed at the end of the front travel seat near the rear mold core.

2. The forward-position insert structure according to claim 1, characterized in that, The bottom of the A plate is also provided with a limiting notch that communicates with the first mounting groove, and a limiting block is installed in the limiting notch; a limiting groove is provided on the side of the forward seat near the limiting block along the height direction of the forward seat, and a limiting step is provided at the bottom of the limiting groove; one end of the limiting block is movably inserted into the limiting groove.

3. The forward-position insert structure according to claim 2, characterized in that, The inner wall of one side of the first mounting groove is also equipped with a guide block with a T-shaped cross-section; a guide groove is also provided on the lower surface of the forward seat corresponding to the guide block; the guide groove is opened along the height direction of the forward seat, and the T-shaped horizontal end of the guide block is slidably arranged in the guide groove.

4. The front-position insert structure according to claim 1, characterized in that, A yellow spring is also connected between the other end of the forward seat and the front mold core.

5. The forward-position insert structure according to claim 4, characterized in that, The front mold core is also provided with a first mounting hole, and a guide rod is installed in the first mounting hole; the lower part of the yellow spring is arranged in the first mounting hole and sleeved on the guide rod; a limit slot is provided at the other end of the front seat corresponding to the yellow spring, and a guide hole is also provided at the bottom middle of the limit slot corresponding to the guide rod; the upper part of the yellow spring is arranged in the limit slot, and the guide rod is inserted in the guide hole.